<script setup lang="ts">
import api from '@/api';
import { VALIDATION_TYPES } from '@/constants';
import { APIError } from '@/types/error';
import { unexpectedError } from '@/utils/unexpected-error';
import { getEndpoint } from '@directus/utils';
import { computed, ref, toRefs } from 'vue';
import { useI18n } from 'vue-i18n';

const props = defineProps<{
	collection: string;
	primaryKeys: (number | string)[];
	active?: boolean;
	edits?: Record<string, any>;
	stageOnSave?: boolean;
}>();

const emit = defineEmits<{
	(e: 'update:active', value: boolean): void;
	(e: 'refresh'): void;
	(e: 'input', value: Record<string, any>): void;
}>();

const { t } = useI18n();

const { internalEdits } = useEdits();
const { internalActive } = useActiveState();
const { save, cancel, saving, validationErrors } = useActions();

const { collection } = toRefs(props);

function useEdits() {
	const localEdits = ref<Record<string, any>>({});

	const internalEdits = computed<Record<string, any>>({
		get() {
			if (props.edits !== undefined) {
				return {
					...props.edits,
					...localEdits.value,
				};
			}

			return localEdits.value;
		},
		set(newEdits) {
			localEdits.value = newEdits;
		},
	});

	return { internalEdits };
}

function useActiveState() {
	const localActive = ref(false);

	const internalActive = computed({
		get() {
			return props.active === undefined ? localActive.value : props.active;
		},
		set(newActive: boolean) {
			localActive.value = newActive;
			emit('update:active', newActive);
		},
	});

	return { internalActive };
}

function useActions() {
	const saving = ref(false);
	const validationErrors = ref([]);

	return { save, cancel, saving, validationErrors };

	async function save() {
		if (props.stageOnSave) {
			emit('input', internalEdits.value);
			internalActive.value = false;
			internalEdits.value = {};
			return;
		}

		saving.value = true;

		try {
			await api.patch(getEndpoint(collection.value), {
				keys: props.primaryKeys,
				data: internalEdits.value,
			});

			emit('refresh');

			internalActive.value = false;
			internalEdits.value = {};
		} catch (error: any) {
			validationErrors.value = error.response.data.errors
				.filter((err: APIError) => VALIDATION_TYPES.includes(err?.extensions?.code))
				.map((err: APIError) => {
					return err.extensions;
				});

			const otherErrors = error.response.data.errors.filter(
				(err: APIError) => VALIDATION_TYPES.includes(err?.extensions?.code) === false,
			);

			if (otherErrors.length > 0) {
				otherErrors.forEach(unexpectedError);
			}
		} finally {
			saving.value = false;
		}
	}

	function cancel() {
		internalActive.value = false;
		internalEdits.value = {};
	}
}
</script>

<template>
	<v-drawer
		v-model="internalActive"
		:title="t('editing_in_batch', { count: primaryKeys.length })"
		persistent
		@cancel="cancel"
	>
		<template #actions>
			<v-button v-tooltip.bottom="t('save')" icon rounded :loading="saving" @click="save">
				<v-icon name="check" />
			</v-button>
		</template>

		<div class="drawer-batch-content">
			<v-form
				v-model="internalEdits"
				:collection="collection"
				batch-mode
				primary-key="+"
				:validation-errors="validationErrors"
			/>
		</div>
	</v-drawer>
</template>

<style lang="scss" scoped>
.v-divider {
	margin: 52px 0;
}

.drawer-batch-content {
	padding: var(--content-padding);
	padding-bottom: var(--content-padding-bottom);
}
</style>
